Initiation of a New Woodland Type on the Texas Coastal Prairie by the Chinese Tallow Tree (Sapium sebiferum (L.) Roxb.)

Bruce, K. A.; Cameron, Guy N.; Harcombe, P. A.

doi:10.2307/2996086

Cited by 82 publications

(83 citation statements)

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“…By the 1980s, these new landforms occupied about 66,000 ha in coastal Louisiana alone, about 4% of the state's coastal region (Dell and Chabreck, 1986). In Texas and Louisiana, the introduction of tallow trees has produced large-scale conversion of much of the historical coastal prairie and rice fields to woodland (Bruce et al, 1995;Grace, 1998). Coastal prairie that has been converted to rice field and then abandoned, as well as long-term rotation rice land are almost always colonized by tallow within a year.…”

Section: Synergistic Interactions Of Land-use and Climate Changes On mentioning

confidence: 99%

Nonlinear dynamics in ecosystem response to climatic change: Case studies and policy implications

Burkett

Wilcox

Stottlemyer

et al. 2005

Ecological Complexity

237

177

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Many biological, hydrological, and geological processes are interactively linked in ecosystems. These ecological phenomena normally vary within bounded ranges, but rapid, nonlinear changes to markedly different conditions can be triggered by even small differences if threshold values are exceeded. Intrinsic and extrinsic ecological thresholds can lead to effects that cascade among systems, precluding accurate modeling and prediction of system response to climate change. Ten case studies from North America illustrate how changes in climate can lead to rapid, threshold-type responses within ecological communities; the case studies also highlight the role of human activities that alter the rate or direction of system response to climate change. Understanding and anticipating nonlinear dynamics are important aspects of adaptation planning since responses of biological resources to changes in the physical climate system are not necessarily proportional and sometimes, as in the case of complex ecological systems, inherently nonlinear. Published by Elsevier B.V.

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Section: Synergistic Interactions Of Land-use and Climate Changes On mentioning

confidence: 99%

Nonlinear dynamics in ecosystem response to climatic change: Case studies and policy implications

Burkett

Wilcox

Stottlemyer

et al. 2005

Ecological Complexity

237

177

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show abstract

“…La respuesta de S. americanus a la adición de nutrimentos es congruente con resultados obtenidos anteriormente (Escutia-Lara et al, 2010). En el campo P. australis alcanza alturas considerables y forma manchones prácticamente monoespecífi cos (Bruce et al, 1995;Sanleón et al, 1999;Rogers y Hartemink, 2000). Llama la atención que en este experimento no se logró formar una cobertura lo sufi cientemente densa como para sombrear a las otras especies, al contrario, fue S. americanus la que desarrolló una cobertura más densa en los tratamientos fertilizados.…”

Section: Discussionunclassified

“…Las especies invasoras son grandes competidoras para las nativas, llegando las primeras a formar rodales o manchones monoespecífi cos al desplazar a las segundas (Bruce et al, 1995;Sanleón et al, 1999;Rogers y Hartemink, 2000).…”

Section: Yazmín Escutia-lara Y Roberto Lindig-cisnerosunclassified

Dinámica de Phragmites australis y Schoenoplectus americanus en respuesta a la adición de fósforo y nitrógeno en humedales experimentales

Escutia-Lara

Lindig-Cisneros

2012

Bot. Sci.

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3Autora para la correspondencia: yazminelb@yahoo.com.mxResumen: Las especies invasoras, como Phragmites australis, resultan grandes competidoras para las especies nativas; sin embargo, es poco lo que se conoce sobre el mecanismo de invasión. En este trabajo se evaluó la interacción de P. australis con una especie nativa, Schoenoplectus americanus, mediante un experimento de parcelas divididas con adición de nutrimento (nitrógeno y fósforo). Para P. australis se encontraron diferencias (P < 0.05) entre tratamientos para la altura, el número de tallos y la biomasa aérea y de rizomas, mientras que para S. americanus se encontraron diferencias (P < 0.05) en la altura máxima, la altura promedio de tallos, el número de tallos, el porcentaje de cobertura y la biomasa aérea. El incremento de nutrimentos no permitió que P. australis desplazara a S. americanus, lo que sugiere que en condiciones naturales S. americanus será capaz de competir por los nutrimentos siempre y cuando no se presente algún disturbio, ya que en este estudio se mantuvo el dosel de especies nativas antes de introducir a P. australis. Los resultados sugieren que la competencia intraespecífi ca es más fuerte que la interespecífi ca en ausencia de disturbio. Palabras clave: competencia, composición, disturbio, diversidad, nutrimentos, restauración ecológica. Abstract:Invasive species, such as Phragmites australis, are major competitors for native species, however, very little is known about the mechanisms of invasion. In this study the interaction between P. australis with a native species, Schoenoplectus americanus, was evaluated through a split-plot experiment with addition of nutrients (nitrogen and phosphorus). For P. australis statistically signifi cant differences (P < 0.05) were found among treatments for height, number of stems, aboveground biomass and rhizomes, while for S. americanus, statistically signifi cant differences (P < 0.05) were found for maximum height, average height of stems and number of stems, percentage of coverage and aboveground biomass. The increase in nutrients did not allowed the displacement of S. americanus by P. australis. This result suggest that under natural conditions S. americanus could be able to compete for nutrients and not be displaced by P. australis, as longs as no disturbance occurs, because in this study the native species canopy was not altered before introducing P. australis. Our results suggest that intraspecifi c competition is stronger than interspecifi c in the absence of disturbance.

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“…However, comparison of six surveys with historic data for waterfowl did not indicate a strong association of the invasive SAV with waterfowl declines. Another important invasive species is the Chinese Tallow tree (Sapium sebiferum), particularly in East Texas, Louisiana, and Mississippi (Oswalt 2010), where it forms monospecific stands (Bruce et al 1995). Tallow seeds are spread by birds such as Red-bellied Woodpeckers (Melanerpes carolinus), robins (Turdus migratorius), and bluebirds (Sialia sialis) in Louisiana and elsewhere along the Gulf (Renne et al 2002).…”

Section: Invasive Speciesmentioning

confidence: 99%

Avian Resources of the Northern Gulf of Mexico

Burger¹

2017

Habitats and Biota of the Gulf of Mexico: Before the Deepwater Horizon Oil Spill

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Initiation of a New Woodland Type on the Texas Coastal Prairie by the Chinese Tallow Tree (Sapium sebiferum (L.) Roxb.)

Cited by 82 publications

References 0 publications

Nonlinear dynamics in ecosystem response to climatic change: Case studies and policy implications

Nonlinear dynamics in ecosystem response to climatic change: Case studies and policy implications

Dinámica de Phragmites australis y Schoenoplectus americanus en respuesta a la adición de fósforo y nitrógeno en humedales experimentales

Avian Resources of the Northern Gulf of Mexico

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